2 REPLACEMENT OF CPU MODULE
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(2) Capacity of each memory
The following table shows the memory of CPU modules, in which the user program, etc. is stored,
together with its capacity.
(The memory capacity of each item is different according to CPU type. Please refer to the manual of
corresponding CPU.)
2.4.2 Keyword registration and password registration
The Q series prohibits reading from/writing to programs, etc. when a password is registered, as do the
AnS/QnAS series with keyword registration. Available functions are described below.
Item
Model
AnS series QnAS series
Q series
High-speed
Universal model QCPU
(QnUDVCPU)
Universal model QCPU
(excluding QnUDVCPU)
Built-in RAM
Max. 64K bytes
(A2USHCPU-S1,
A2ASCPU-S1/S30:
256K bytes)
Max. 240K bytes
(program memory)
Max. 1040K bytes
(program memory)
Max. 4000K bytes
(program memory)
Memory
cassette
E
2
PROM
64K bytes
(for writing programs to
ROM) -
-
SRAM
cassette
-8M bytes-
Memory
card
SRAM card - Max. 2M bytes - Max. 8M bytes
E
2
PROM
card
- Max. 512K bytes - -
Flash card - Max. 1M byte - Max. 4M bytes
ATA card - - - Max. 32M bytes
SD memory
card
- - Max. 4G bytes -
Standard RAM - - Max. 1280K bytes
Max. 1792K bytes
(Q00UJCPU: none)
Standard ROM - - Max. 4102K bytes Max. 16384K bytes
Item
Model
AnS series QnAS series Q series
Prohibition method for writing
to program, etc.
The following attribute can
be set to the specified
memory.
• Prohibition of read/write
Either of the following
attributes can be set to the
specified memory (drive).
• Prohibition of read/write/
display
• Prohibition of write
Batch password setting for all files
provides the equivalent function.
(Supplement)
By using a password, the following
attributes can be set to each specified
file of the specified memory (drive).
• Prohibition of read/write/display
• Prohibition of write
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